Cited by 69Cannabis and Cannabinoid ResearchGenetics and Neurodevelopmental DisordersNeuroscience and Neuropharmacology Research

Endocannabinoid-mediated improvement on a test of aversive memory in a mouse model of fragile X syndrome

Open access
Qin, Mei, Zeidler, Zachary, Moulton, Kristen, Krych, Leland, Xia, Zengyan, Smith, Carolyn B.·2015·Behavioural Brain Research

Abstract

Silencing the gene FMR1 in fragile X syndrome (FXS) with consequent loss of its protein product, FMRP, results in intellectual disability, hyperactivity, anxiety, seizure disorders, and autism-like behavior. In a mouse model (Fmr1 knockout (KO)) of FXS, a deficit in performance on the passive avoidance test of learning and memory is a robust phenotype. We report that drugs acting on the endocannabinoid (eCB) system can improve performance on this test. We present three lines of evidence: (1) Propofol (reported to inhibit fatty acid amide hydrolase (FAAH) activity) administered 30 min after training on the passive avoidance test improved performance in Fmr1 KO mice but had no effect on wild type (WT). FAAH catalyzes the metabolism of the eCB, anandamide, so its inhibition should result in increased anandamide levels. (2) The effect of propofol was blocked by prior administration of the cannabinoid receptor 1 antagonist AM-251. (3) Treatment with the FAAH inhibitor, URB-597, administered 30 min after training on the passive avoidance test also improved performance in Fmr1 KO mice but had no effect on WT. Our results indicate that the eCB system is involved in FXS and suggest that the eCB system is a promising target for treatment of FXS.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1016/j.bbr.2015.05.003

Cites

26 of 26 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Qin, M., Zeidler, Z., Moulton, K., Krych, L., Xia, Z., & Smith, C. B.
Affiliations
National Institutes of Health (US)
Corresponding author
Smith, Carolyn B.
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2015-09
Volume
291
Pages
164-171
ISSN
0166-4328 (ISSN-L)
OpenAlex
W1674182966
Cited by
69
References
26
Citations by year
2026: 1 · 2025: 8 · 2024: 7 · 2023: 6 · 2022: 9 · 2021: 9 · 2020: 2 · 2019: 10 · 2018: 4 · 2017: 6 · 2016: 6 · 2015: 1
FWCI
4.09
Type
journal article
Language
en
Open access
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health
  • National Institutes of Health
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
fragile X syndrome, endocannabinoid system, FMRP, Fmr1 knockout mice, passive avoidance, aversive memory, propofol, fatty acid amide hydrolase inhibition, anandamide, CB1 receptor, AM251, learning and memory impairment, therapeutic target
MeSH terms
Fatty Acid Amide Hydrolases, Amidohydrolases, Animals, Anxiety, Arachidonic Acids, Avoidance Learning, Benzamides, Carbamates, Disease Models, Animal, Enzyme Inhibitors, Fragile X Syndrome, Male, Memory, Mice, Inbred C57BL, Piperidines, Pyrazoles, Receptors, GABA-A, Social Behavior, Propofol, Mice, Knockout, Receptor, Cannabinoid, CB1, Fragile X Mental Retardation Protein, Fragile X Messenger Ribonucleoprotein 1, Polyunsaturated Alkamides, Cannabinoid Receptor Antagonists, Endocannabinoids

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review